/*
 * Copyright (c) 2006-2019, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
 * 2021-05-24                  the first version
 */

#include <rthw.h>
#include <rtthread.h>
#include <gd32f10x.h>
#if defined(RT_USING_USER_MAIN) && defined(RT_USING_HEAP)
/*
 * Please modify RT_HEAP_SIZE if you enable RT_USING_HEAP
 * the RT_HEAP_SIZE max value = (sram size - ZI size), 1024 means 1024 bytes
 */
#define RT_HEAP_SIZE (16*1024)
static rt_uint8_t rt_heap[RT_HEAP_SIZE];

RT_WEAK void *rt_heap_begin_get(void)
{
    return rt_heap;
}

RT_WEAK void *rt_heap_end_get(void)
{
    return rt_heap + RT_HEAP_SIZE;
}
#endif

void rt_os_tick_callback(void)
{
    rt_interrupt_enter();
    
    rt_tick_increase();

    rt_interrupt_leave();
}

void _SysTick_Config(rt_uint32_t tick)
{
	if(SysTick_Config(tick))
	{
		while(1);
	}
	NVIC_SetPriority(SysTick_IRQn,0x00u);
}

void SysTick_Handler(void)
{
	rt_os_tick_callback();
}

/**
 * This function will initial your board.
 */
void rt_hw_board_init(void)
{

    /* 
     * TODO 1: OS Tick Configuration
     * Enable the hardware timer and call the rt_os_tick_callback function
     * periodically with the frequency RT_TICK_PER_SECOND. 
     */
	_SysTick_Config(SystemCoreClock / RT_TICK_PER_SECOND);
	
	
    /* Call components board initial (use INIT_BOARD_EXPORT()) */
#ifdef RT_USING_COMPONENTS_INIT
    rt_components_board_init();
#endif

#if defined(RT_USING_USER_MAIN) && defined(RT_USING_HEAP)
    rt_system_heap_init(rt_heap_begin_get(), rt_heap_end_get());
#endif
}





#ifdef RT_USING_CONSOLE



void rt_hw_console_output(const char *str)
{
    rt_size_t i = 0, size = 0;
    char a = '\r';

	size = rt_strlen(str);

    for (i = 0; i < size; i++)
    {
        if (*(str + i) == '\n')
        {
            usart_data_transmit(USART0,a);
			while(RESET == usart_flag_get(USART0, USART_FLAG_TBE));
        }
        usart_data_transmit(USART0, *(str + i));
		while(RESET == usart_flag_get(USART0, USART_FLAG_TBE));
    }	
	
}

#endif

